General

  • Target
    R1.exe
  • Size 645KB
  • Sample260924-e36w6syfjf
  • SHA256 ba930ba9853ebabe6ed569bfa1c0bccae51f697dd61e940012115f973e648a6e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost

C2
  • www.xoso6684.com:443

  • xoso6684.com:443

  • www.xoso6684.com:8080

  • xoso6684.com:8080

  • api.xoso6684.com:8080

  • c2.xoso6684.com:8080

  • malware.xoso6684.com:8080

  • backdoor.xoso6684.com:8080

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    2

  • copy_file

    S8.exe

  • copy_folder

    S8

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    S8

  • mouse_option

    false

  • mutex

    f4stb4ck-CF87J1

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    chrome;discord;facebook;telegram

Targets

    • Target
      R1.exe
    • Size 645KB
    • SHA256 ba930ba9853ebabe6ed569bfa1c0bccae51f697dd61e940012115f973e648a6e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Adds policy Run key to start application

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks